Class 6 Maths Ganita Prakash Chapter 5 Prime Time | Part 8 Prime Factorisation

Описание: Welcome to CBSE Worldz. In this video we will be discussing Class 6 Maths Ganita Prakash Chapter 5 Prime Time | Part 8 Prime Factorisation

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Topics covered:
5.4 Prime Factorisation
Class 6 maths chapter 5 prime time figure it out page number 120

Questions:
1. Find the prime factorisations of the following numbers: 64, 104, 105, 243, 320, 141, 1728, 729, 1024, 1331, 1000.
2. The prime factorisation of a number has one 2, two 3s, and one 11. What is the number?
3. Find three prime numbers, all less than 30, whose product is 1955.
4. Find the prime factorisation of these numbers without multiplying first a. 56 × 25 b. 108 × 75 c. 1000 × 81
5. What is the smallest number whose prime factorisation has:
a. three different prime numbers?
b. four different prime numbers?

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